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import base64 |
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import uuid |
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import os |
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from openpyxl.chart import ( |
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LineChart, |
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Reference, |
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) |
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from openpyxl.styles import PatternFill, Border, Side, Alignment, Font |
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from openpyxl.drawing.image import Image |
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from openpyxl import Workbook |
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#################################################################################################################### |
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# PROCEDURES |
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# Step 1: Validate the report data |
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# Step 2: Generate excel file |
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# Step 3: Encode the excel file bytes to Base64 |
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#################################################################################################################### |
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View Code Duplication |
def export(report, |
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name, |
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reporting_start_datetime_local, |
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reporting_end_datetime_local, |
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period_type): |
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#################################################################################################################### |
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# Step 1: Validate the report data |
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#################################################################################################################### |
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if report is None: |
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return None |
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print(report) |
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#################################################################################################################### |
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# Step 2: Generate excel file from the report data |
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#################################################################################################################### |
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filename = generate_excel(report, |
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name, |
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reporting_start_datetime_local, |
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reporting_end_datetime_local, |
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period_type) |
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#################################################################################################################### |
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# Step 3: Encode the excel file to Base64 |
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#################################################################################################################### |
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try: |
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with open(filename, 'rb') as binary_file: |
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binary_file_data = binary_file.read() |
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except IOError as ex: |
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pass |
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# Base64 encode the bytes |
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base64_encoded_data = base64.b64encode(binary_file_data) |
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# get the Base64 encoded data using human-readable characters. |
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base64_message = base64_encoded_data.decode('utf-8') |
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# delete the file from server |
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try: |
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os.remove(filename) |
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except NotImplementedError as ex: |
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pass |
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return base64_message |
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def generate_excel(report, |
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name, |
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reporting_start_datetime_local, |
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reporting_end_datetime_local, |
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period_type): |
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wb = Workbook() |
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ws = wb.active |
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# Row height |
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ws.row_dimensions[1].height = 121 |
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for i in range(2, 37 + 1): |
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ws.row_dimensions[i].height = 30 |
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for i in range(38, 90 + 1): |
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ws.row_dimensions[i].height = 30 |
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# Col width |
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ws.column_dimensions['A'].width = 1.5 |
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ws.column_dimensions['B'].width = 20.0 |
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for i in range(ord('C'), ord('I')): |
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ws.column_dimensions[chr(i)].width = 15.0 |
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# Font |
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name_font = Font(name='Constantia', size=15, bold=True) |
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title_font = Font(name='宋体', size=15, bold=True) |
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# data_font = Font(name='Franklin Gothic Book', size=11) |
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table_fill = PatternFill(fill_type='solid', fgColor='1F497D') |
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f_border = Border(left=Side(border_style='medium', color='00000000'), |
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right=Side(border_style='medium', color='00000000'), |
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bottom=Side(border_style='medium', color='00000000'), |
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top=Side(border_style='medium', color='00000000') |
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) |
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b_border = Border( |
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bottom=Side(border_style='medium', color='00000000'), |
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) |
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b_c_alignment = Alignment(vertical='bottom', |
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horizontal='center', |
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text_rotation=0, |
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wrap_text=False, |
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shrink_to_fit=False, |
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indent=0) |
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c_c_alignment = Alignment(vertical='center', |
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horizontal='center', |
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text_rotation=0, |
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wrap_text=False, |
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shrink_to_fit=False, |
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indent=0) |
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b_r_alignment = Alignment(vertical='bottom', |
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horizontal='right', |
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text_rotation=0, |
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wrap_text=False, |
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shrink_to_fit=False, |
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indent=0) |
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# c_r_alignment = Alignment(vertical='bottom', |
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# horizontal='center', |
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# text_rotation=0, |
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# wrap_text=False, |
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# shrink_to_fit=False, |
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# indent=0) |
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# Img |
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img = Image("excelexporters/myems.png") |
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# img = Image("myems.png") |
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ws.add_image(img, 'B1') |
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# Title |
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ws['B3'].font = name_font |
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ws['B3'].alignment = b_r_alignment |
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ws['B3'] = 'Name:' |
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ws['C3'].border = b_border |
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ws['C3'].alignment = b_c_alignment |
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ws['C3'].font = name_font |
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ws['C3'] = name |
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ws['D3'].font = name_font |
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ws['D3'].alignment = b_r_alignment |
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ws['D3'] = 'Period:' |
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ws['E3'].border = b_border |
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ws['E3'].alignment = b_c_alignment |
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ws['E3'].font = name_font |
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ws['E3'] = period_type |
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ws['F3'].font = name_font |
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ws['F3'].alignment = b_r_alignment |
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ws['F3'] = 'Date:' |
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ws['G3'].border = b_border |
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ws['G3'].alignment = b_c_alignment |
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ws['G3'].font = name_font |
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ws['G3'] = reporting_start_datetime_local + "__" + reporting_end_datetime_local |
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ws.merge_cells("G3:H3") |
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if "reporting_period" not in report.keys() or \ |
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"names" not in report['reporting_period'].keys() or len(report['reporting_period']['names']) == 0: |
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filename = str(uuid.uuid4()) + '.xlsx' |
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wb.save(filename) |
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return filename |
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################################################# |
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# First: 统计分析 |
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# 6: title |
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# 7: table title |
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# 8~ca_len table_data |
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################################################# |
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reporting_period_data = report['reporting_period'] |
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has_energy_data_flag = True |
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if "names" not in reporting_period_data.keys() or \ |
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reporting_period_data['names'] is None or \ |
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len(reporting_period_data['names']) == 0: |
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has_energy_data_flag = False |
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filename = str(uuid.uuid4()) + '.xlsx' |
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wb.save(filename) |
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return filename |
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if has_energy_data_flag: |
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ws['B6'].font = title_font |
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ws['B6'] = name + ' 统计分析' |
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category = reporting_period_data['names'] |
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# table_title |
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ws['B7'].fill = table_fill |
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ws['B7'].font = title_font |
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ws['B7'].alignment = c_c_alignment |
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ws['B7'] = '报告期' |
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ws['B7'].border = f_border |
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ws['C7'].font = title_font |
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ws['C7'].alignment = c_c_alignment |
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ws['C7'] = '算术平均数' |
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ws['C7'].border = f_border |
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ws['D7'].font = title_font |
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ws['D7'].alignment = c_c_alignment |
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ws['D7'] = '中位数' |
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ws['D7'].border = f_border |
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ws['E7'].font = title_font |
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ws['E7'].alignment = c_c_alignment |
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ws['E7'] = '最小值' |
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ws['E7'].border = f_border |
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ws['F7'].font = title_font |
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ws['F7'].alignment = c_c_alignment |
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ws['F7'] = '最大值' |
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ws['F7'].border = f_border |
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ws['G7'].font = title_font |
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ws['G7'].alignment = c_c_alignment |
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ws['G7'] = '样本标准差' |
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ws['G7'].border = f_border |
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ws['H7'].font = title_font |
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ws['H7'].alignment = c_c_alignment |
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ws['H7'] = '样本方差' |
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ws['H7'].border = f_border |
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# table_data |
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for i, value in enumerate(category): |
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row = i * 2 + 8 |
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ws['B' + str(row)].font = name_font |
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ws['B' + str(row)].alignment = c_c_alignment |
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ws['B' + str(row)] = reporting_period_data['names'][i] + " (" + reporting_period_data['units'][i] + " )" |
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ws['B' + str(row)].border = f_border |
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ws['B' + str(row + 1)].font = name_font |
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ws['B' + str(row + 1)].alignment = c_c_alignment |
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ws['B' + str(row + 1)] = "环比" |
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ws['B' + str(row + 1)].border = f_border |
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ws['C' + str(row)].font = name_font |
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ws['C' + str(row)].alignment = c_c_alignment |
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ws['C' + str(row)] = reporting_period_data['means'][i] \ |
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if reporting_period_data['means'][i] is not None else '' |
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ws['C' + str(row)].border = f_border |
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ws['C' + str(row)].number_format = '0.00' |
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ws['C' + str(row + 1)].font = name_font |
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ws['C' + str(row + 1)].alignment = c_c_alignment |
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ws['C' + str(row + 1)] = str(round(reporting_period_data['means_increment_rate'][i] * 100, 2)) + "%" \ |
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if reporting_period_data['means_increment_rate'][i] is not None else '0.00%' |
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ws['C' + str(row + 1)].border = f_border |
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ws['D' + str(row)].font = name_font |
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ws['D' + str(row)].alignment = c_c_alignment |
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ws['D' + str(row)] = reporting_period_data['medians'][i] \ |
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if reporting_period_data['medians'][i] is not None else '' |
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ws['D' + str(row)].border = f_border |
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ws['D' + str(row)].number_format = '0.00' |
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ws['D' + str(row + 1)].font = name_font |
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ws['D' + str(row + 1)].alignment = c_c_alignment |
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ws['D' + str(row + 1)] = str(round(reporting_period_data['medians_increment_rate'][i] * 100, 2)) + "%" \ |
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if reporting_period_data['medians_increment_rate'][i] is not None else '0.00%' |
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ws['D' + str(row + 1)].border = f_border |
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ws['E' + str(row)].font = name_font |
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ws['E' + str(row)].alignment = c_c_alignment |
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ws['E' + str(row)] = reporting_period_data['minimums'][i] \ |
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if reporting_period_data['minimums'][i] is not None else '' |
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ws['E' + str(row)].border = f_border |
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ws['E' + str(row)].number_format = '0.00' |
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ws['E' + str(row + 1)].font = name_font |
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ws['E' + str(row + 1)].alignment = c_c_alignment |
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ws['E' + str(row + 1)] = str(round(reporting_period_data['minimums_increment_rate'][i] * 100, 2)) + "%" \ |
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if reporting_period_data['minimums_increment_rate'][i] is not None else '0.00%' |
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ws['E' + str(row + 1)].border = f_border |
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ws['F' + str(row)].font = name_font |
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ws['F' + str(row)].alignment = c_c_alignment |
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ws['F' + str(row)] = reporting_period_data['maximums'][i] \ |
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if reporting_period_data['maximums'][i] is not None else '' |
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ws['F' + str(row)].border = f_border |
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ws['F' + str(row)].number_format = '0.00' |
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ws['F' + str(row + 1)].font = name_font |
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ws['F' + str(row + 1)].alignment = c_c_alignment |
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ws['F' + str(row + 1)] = str(round(reporting_period_data['maximums_increment_rate'][i] * 100, 2)) + "%" \ |
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if reporting_period_data['maximums_increment_rate'][i] is not None else '0.00%' |
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ws['F' + str(row + 1)].border = f_border |
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ws['G' + str(row)].font = name_font |
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ws['G' + str(row)].alignment = c_c_alignment |
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ws['G' + str(row)] = reporting_period_data['stdevs'][i] \ |
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if reporting_period_data['stdevs'][i] is not None else '' |
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ws['G' + str(row)].border = f_border |
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ws['G' + str(row)].number_format = '0.00' |
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ws['G' + str(row + 1)].font = name_font |
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ws['G' + str(row + 1)].alignment = c_c_alignment |
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ws['G' + str(row + 1)] = str(round(reporting_period_data['stdevs_increment_rate'][i] * 100, 2)) + "%" \ |
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if reporting_period_data['stdevs_increment_rate'][i] is not None else '0.00%' |
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ws['G' + str(row + 1)].border = f_border |
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ws['H' + str(row)].font = name_font |
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ws['H' + str(row)].alignment = c_c_alignment |
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ws['H' + str(row)] = reporting_period_data['variances'][i] \ |
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if reporting_period_data['variances'][i] is not None else '' |
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ws['H' + str(row)].border = f_border |
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ws['H' + str(row)].number_format = '0.00' |
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ws['H' + str(row + 1)].font = name_font |
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ws['H' + str(row + 1)].alignment = c_c_alignment |
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ws['H' + str(row + 1)] = str(round(reporting_period_data['variances_increment_rate'][i] * 100, 2)) + "%" \ |
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if reporting_period_data['variances_increment_rate'][i] is not None else '0.00%' |
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ws['H' + str(row + 1)].border = f_border |
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######################################################## |
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# Second: 详细数据 |
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# row_sat+1~ row_sat+1+row_lines+: line |
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# row_ddt~ : the detailed data table |
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# row_sat : the number of rows of the analysis table |
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# row_lines : the number of rows of all line charts |
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# row_ddt : The number of rows in which the detailed data table header resides |
325
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######################################################## |
326
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has_timestamps_flag = True |
327
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|
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if "timestamps" not in reporting_period_data.keys() or \ |
328
|
|
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reporting_period_data['timestamps'] is None or \ |
329
|
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len(reporting_period_data['timestamps']) == 0: |
330
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has_timestamps_flag = False |
331
|
|
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|
332
|
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if has_timestamps_flag: |
333
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timestamps = reporting_period_data['timestamps'][0] |
334
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values = reporting_period_data['values'] |
335
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|
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names = reporting_period_data['names'] |
336
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ca_len = len(names) |
337
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|
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time_len = len(timestamps) |
338
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|
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# the detailed title |
339
|
|
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row_lines = 9 * ca_len |
340
|
|
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row_sat = 7 + 2 * ca_len |
341
|
|
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row_ddt = row_sat + row_lines + 2 |
342
|
|
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|
343
|
|
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ws['B' + str(row_ddt)].font = title_font |
344
|
|
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ws['B' + str(row_ddt)] = name + ' 详细数据' |
345
|
|
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# the detailed table_title |
346
|
|
|
ws['B' + str(row_ddt+1)].fill = table_fill |
347
|
|
|
ws['B' + str(row_ddt+1)].font = name_font |
348
|
|
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ws['B' + str(row_ddt+1)].alignment = c_c_alignment |
349
|
|
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ws['B' + str(row_ddt+1)] = "时间" |
350
|
|
|
ws['B' + str(row_ddt+1)].border = f_border |
351
|
|
|
|
352
|
|
|
for i in range(0, ca_len): |
353
|
|
|
col = chr(ord('C') + i) |
354
|
|
|
|
355
|
|
|
ws[col + str(row_ddt+1)].font = name_font |
356
|
|
|
ws[col + str(row_ddt+1)].alignment = c_c_alignment |
357
|
|
|
ws[col + str(row_ddt+1)] = names[i] + " - (" + reporting_period_data['units'][i] + ")" |
358
|
|
|
ws[col + str(row_ddt+1)].border = f_border |
359
|
|
|
# the detailed table_date |
360
|
|
|
for i in range(0, time_len): |
361
|
|
|
rows = i + row_ddt + 2 |
362
|
|
|
|
363
|
|
|
ws['B' + str(rows)].font = name_font |
364
|
|
|
ws['B' + str(rows)].alignment = c_c_alignment |
365
|
|
|
ws['B' + str(rows)] = timestamps[i] |
366
|
|
|
ws['B' + str(rows)].border = f_border |
367
|
|
|
|
368
|
|
|
for index in range(0, ca_len): |
369
|
|
|
col = chr(ord('C') + index) |
370
|
|
|
|
371
|
|
|
ws[col + str(rows)].font = name_font |
372
|
|
|
ws[col + str(rows)].alignment = c_c_alignment |
373
|
|
|
ws[col + str(rows)] = values[index][i] |
374
|
|
|
ws[col + str(rows)].number_format = '0.00' |
375
|
|
|
ws[col + str(rows)].border = f_border |
376
|
|
|
|
377
|
|
|
# 小计 |
378
|
|
|
row_subtotals = row_ddt + 2 + time_len |
379
|
|
|
ws['B' + str(row_subtotals)].font = name_font |
380
|
|
|
ws['B' + str(row_subtotals)].alignment = c_c_alignment |
381
|
|
|
ws['B' + str(row_subtotals)] = "小计" |
382
|
|
|
ws['B' + str(row_subtotals)].border = f_border |
383
|
|
|
|
384
|
|
|
for i in range(0, ca_len): |
385
|
|
|
col = chr(ord('C') + i) |
386
|
|
|
|
387
|
|
|
ws[col + str(row_subtotals)].font = name_font |
388
|
|
|
ws[col + str(row_subtotals)].alignment = c_c_alignment |
389
|
|
|
ws[col + str(row_subtotals)] = reporting_period_data['subtotals'][i] |
390
|
|
|
ws[col + str(row_subtotals)].border = f_border |
391
|
|
|
ws[col + str(row_subtotals)].number_format = '0.00' |
392
|
|
|
|
393
|
|
|
# LineChart |
394
|
|
|
for i in range(0, ca_len): |
395
|
|
|
|
396
|
|
|
lc = LineChart() |
397
|
|
|
lc.title = "报告期消耗" + " - " + names[i] + "(" + reporting_period_data['units'][i] + ")" |
398
|
|
|
lc.style = 10 |
399
|
|
|
lc.height = 8.40 # cm 1.05*8 1.05cm = 30 pt |
400
|
|
|
lc.width = 23.28 |
401
|
|
|
lc.x_axis.majorTickMark = 'in' |
402
|
|
|
lc.y_axis.majorTickMark = 'in' |
403
|
|
|
times = Reference(ws, min_col=2, min_row=row_ddt + 2, |
404
|
|
|
max_row=row_ddt + 2 + time_len) |
405
|
|
|
lc_data = Reference(ws, min_col=3 + i, min_row=row_ddt + 1, |
406
|
|
|
max_row=row_ddt + 1 + time_len) |
407
|
|
|
lc.add_data(lc_data, titles_from_data=True) |
408
|
|
|
lc.set_categories(times) |
409
|
|
|
ser = lc.series[0] |
410
|
|
|
ser.marker.symbol = "diamond" |
411
|
|
|
ser.marker.size = 5 |
412
|
|
|
ws.add_chart(lc, 'B' + str(row_sat + 2 + 9 * i)) |
413
|
|
|
|
414
|
|
|
filename = str(uuid.uuid4()) + '.xlsx' |
415
|
|
|
wb.save(filename) |
416
|
|
|
|
417
|
|
|
return filename |
418
|
|
|
|